Home / 18,477.86-27,713.75-5,326.70

Finding the Fourth Proportional to 18,477.86, 27,713.75 and 5,326.70

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Solution

The fourth proportional to 18,477.86, 27,713.75 and 5,326.70 is: 7,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.86 : 27,713.75 = 5,326.70 : x
  2. Step 2: Convert to fraction form
    18,477.86/27,713.75 = 5,326.70/x
  3. Step 3: Cross multiply
    18,477.86x = 27,713.75 × 5,326.70
  4. Step 4: Simplify right side
    18,477.86x = 147,622,666.92
  5. Step 5: Solve for x
    x = 147,622,666.92/18,477.86
  6. Step 6: Final answer
    x = 7,989.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.